<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Login</title>
</head>
<body>
<center>
<form action="/loginUser" method="get">
  <table border="2">
    <thead><h1>用户登录</h1></thead>
    <tbody>
    <tr>
      <td>用户名</td>
      <td><input type="text" name="username"></td>
    </tr>
    <tr>
      <td>密码</td>
      <td><input type="password" name="password"></td>
    </tr>
    <tr>
      <td colspan="2"><input type="submit" align="center" value="登录"></td>
      <td></td>
    </tr>
    </tbody>
  </table>
</form>
</center>
</body>
</html>